Trainer cup



FIG. 1 is a front perspective view of a trainer cup showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; the left side elevational view being a mirror image thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawing depict portions of the trainer cup that form no part of the claimed design. 

CLAIM The ornamental design for a trainer cup, as shown and described. 